Comprehensive side-by-side LLM comparison
GPT-5 mini leads with 13.8% higher average benchmark score. GPT-5 mini offers 200.0K more tokens in context window than Claude Sonnet 4. GPT-5 mini is $15.75 cheaper per million tokens. Claude Sonnet 4 is available on 4 providers. Overall, GPT-5 mini is the stronger choice for coding tasks.
Anthropic
Claude Sonnet 4 was created as the balanced offering in the Claude 4 family, designed to provide strong intelligence with practical speed and cost efficiency. Built to serve as a versatile workhorse for diverse applications, it balances advanced capabilities with operational considerations for everyday enterprise and consumer use.
OpenAI
GPT-5 Mini was created as a more accessible version of GPT-5, designed to provide strong capabilities with improved efficiency and lower operational costs. Built to extend GPT-5's advancements to a broader range of applications, it balances advanced performance with practical deployment considerations.
2 months newer

Claude Sonnet 4
Anthropic
2025-05-22

GPT-5 mini
OpenAI
2025-08-07
Cost per million tokens (USD)

Claude Sonnet 4

GPT-5 mini
Context window and performance specifications
Average performance across 2 common benchmarks

Claude Sonnet 4

GPT-5 mini
GPT-5 mini
2024-05-30
Available providers and their performance metrics

Claude Sonnet 4
Anthropic
Bedrock
ZeroEval

Claude Sonnet 4

GPT-5 mini

Claude Sonnet 4

GPT-5 mini

GPT-5 mini
OpenAI
ZeroEval